CVE-2020-26556
7.5 · HIGHOverview
CVE-2020-26556 is a high-severity vulnerability affecting bluetooth bluetooth_core_specification. It was published on May 24, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
Mesh Provisioning in the Bluetooth Mesh profile 1.0 and 1.0.1 may permit a nearby device, able to conduct a successful brute-force attack on an insufficiently random AuthValue before the provisioning procedure times out, to complete authentication by leveraging Malleable Commitment.
Remediation
Check the references section for vendor advisories and patches from bluetooth. Update bluetooth_core_specification to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| bluetooth | bluetooth_core_specification | 1.0b | Affected |
References
Frequently Asked Questions
What is CVE-2020-26556?
CVE-2020-26556 is a high-severity vulnerability affecting bluetooth bluetooth_core_specification. It was published on May 24, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2020-26556?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2020-26556?
Check the references section for vendor advisories and patches from bluetooth. Update bluetooth_core_specification to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2020-26556?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-26556 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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